For travelers looking to delve deeper into the darker corners of Cambodian history, this half day tour is a must-see. Learn of the chilling events and darkest moments of the Khmer Rouge regime in Cambodia with a visit to the Phnom Penh Tuol Sleng Museum and Choeung Ek Memorial. From your hotel, you'll be taken by your English speaking guide to the Tuol Sleng Genocide Museum (S-21), which is known as the largest detention and interrogation center of its kind. Then, you will visit the Choeung Ek Memorial, marked by a Buddhist stupa and acrylic glass slides. Within these slides are over 5,000 human skulls, a grisly reminder of the dark times. This unforgettable tour will give you a far deeper understanding of the shadowy regime in Cambodian history.